component
BC847CW
Public Made by Adomby adom
MSKSEMI Bipolar (BJT), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415
{
"schema_version": 1,
"type": "component",
"slug": "bc847cw",
"title": "BC847CW",
"brief": "MSKSEMI Bipolar (BJT), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"transistors-thyristors",
"bc847cw",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "BC847CW",
"manufacturer": "MSKSEMI",
"package": "SOT-323",
"pin_count": 3,
"category": "Transistors/Thyristors",
"subcategory": "Bipolar (BJT)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590452379801198592",
"parts": {
"symbol": "bc847cw.kicad_sym",
"footprint": "bc847cw.kicad_mod",
"model_3d": "bc847cw-hero.glb",
"model_3d_plain": "bc847cw-etched.glb",
"model_3d_step": "bc847cw-etched.step",
"model_3d_step_plain": "bc847cw.step",
"lbr": "bc847cw.lbr"
},
"distributor_links": {
"lcsc": "C53340859"
},
"distributor_check": {
"checked_at": "2026-10-17T16:29:22Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "BASE",
"type": "input",
"description": "Base terminal of the NPN transistor; the BC847CW is marked 1G, and the datasheet gives an emitter-base voltage of 6 V for the BC847W."
},
{
"number": "2",
"name": "EMITTER",
"type": "passive",
"description": "Emitter terminal of the NPN transistor; the datasheet gives a continuous collector current of 0.1 A and a collector power dissipation of 150 mW for the device."
},
{
"number": "3",
"name": "COLLECTOR",
"type": "passive",
"description": "Collector terminal of the NPN transistor; the datasheet gives a collector-emitter voltage of 45 V and a collector-base voltage of 50 V for the BC847W."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pinout taken from the SOT-323 entry on page 2 (1. BASE, 2. EMITTER, 3. COLLECTOR). Pin types are ass; The datasheet covers the BC846W/BC847W/BC848W family in one document. The BC847CW ratings are the BC"
],
"pages_sent": 6,
"cost_usd": 0.0311,
"at": "2026-10-17T16:26:37"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590452379801198592",
"pages": 6,
"sha256": "d72daf052b822cd3",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "bc847cw.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.1,
2,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bc847cw-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.1,
2,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e224d0725bdddcabb9023123e84eca5d77efbaa56333418498615348a7167c81",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "MSKSEMI",
"Package": "SOT-323",
"Category": "Transistors/Thyristors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "d72daf052b822cd38f3f20e1310a0e2ccff07665ce00eed9c4b2fae58b0074f5",
"rows": [
{
"name": "Collector-base voltage (BC847W)",
"symbol": "VCBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 50,
"conditions": "BC847W variant",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-emitter voltage (BC847W)",
"symbol": "VCEO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 45,
"conditions": "BC847W variant",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Emitter-base voltage (BC847W)",
"symbol": "VEBO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 6,
"conditions": "BC847W variant",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector current, continuous",
"symbol": "IC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "continuous",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector power dissipation",
"symbol": "PC",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operation junction and storage temperature range",
"symbol": "TJ,Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal resistance, junction to ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 833,
"max": null,
"conditions": "junction to ambient",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Collector-base breakdown voltage (BC847W)",
"symbol": "VCBO",
"kind": "electrical",
"unit": "V",
"min": 50,
"typ": null,
"max": null,
"conditions": "IC= 10µA, IE=0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Collector-emitter breakdown voltage (BC847W)",
"symbol": "VCEO",
"kind": "electrical",
"unit": "V",
"min": 45,
"typ": null,
"max": null,
"conditions": "IC= 10mA, IB=0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Emitter-base breakdown voltage (BC847W)",
"symbol": "VEBO",
"kind": "electrical",
"unit": "V",
"min": 6,
"typ": null,
"max": null,
"conditions": "IE= 1 µA, IC=0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Collector cutoff current",
"symbol": "ICBO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 15,
"conditions": "VCB=30V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.25,
"conditions": "IC=10mA, IB=0.5mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Collector-emitter saturation voltage",
"symbol": "VCE(sat)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "IC=100mA, IB=5mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Base-emitter voltage",
"symbol": "VBE(on)",
"kind": "electrical",
"unit": "mV",
"min": 580,
"typ": 660,
"max": 700,
"conditions": "VCE= 5V, IC= 2mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Base-emitter voltage",
"symbol": "VBE(on)",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 770,
"conditions": "VCE= 5V, IC= 10mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Noise figure (BC847CW)",
"symbol": "NF",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": null,
"max": 4,
"conditions": "VCE=5V, Ic=0.2mA, f=1KHz, RS=2KΩ, BW=200Hz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Collector output capacitance",
"symbol": "Cob",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 4.5,
"conditions": "VCB=10V, f=1MHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Transition frequency",
"symbol": "fT",
"kind": "electrical",
"unit": "MHz",
"min": null,
"typ": 100,
"max": null,
"conditions": "VCE= 5 V, IC= 10mA, f=100MHz",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"bc847cw"
],
"discovery_pitch": "BC847CW (MSKSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"bc847cw.kicad_sym",
"bc847cw.kicad_mod",
"bc847cw.glb",
"bc847cw.step",
"bc847cw.lbr",
"docs/hero.png",
"docs/bc847cw-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"bc847cw-hero.glb",
"bc847cw-hero.overlay.json",
"bc847cw-etched.glb"
],
"visibility": {
"public": true
}
}